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>imat_col_decr</H1
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><H2
>Name</H2
>imat_col_decr&nbsp;--&nbsp;substract a value to elements of a given column</DIV
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>Synopsis</H2
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>#include &lt;it/mat.h&gt;
      </PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>void imat_col_decr</CODE
>( imat m, size_t col, int a
        );</CODE
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><H2
>DESCRIPTION</H2
><P
> The function <CODE
CLASS="FUNCTION"
>imat_col_decr</CODE
> substracts <CODE
CLASS="PARAMETER"
>a</CODE
> to all the elements of the column <CODE
CLASS="PARAMETER"
>col</CODE
> in the matrix <CODE
CLASS="PARAMETER"
>m</CODE
> </P
><H2
>RETURN VALUE</H2
><P
>    None
   </P
><H2
>EXAMPLE</H2
><PRE
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>&#13;#include &lt;mat.h&gt;

...

imat m = imat_new_string ("[[1 2 3][4 5 6]]");  /* m = [[1 2 3]   
                                                        [4 5 6]]  */
imat_col_decr (m);                              /* m = [[0 1 2]   
                                                        [3 4 5]]  */&#13;</PRE
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